Geometrical instruments
Patent
1975-11-25
1977-07-26
Askin, Laramie E.
Geometrical instruments
428577, 29630G, 315 71, 338219, 340381, H01J 744, H01J 6164, H01K 162, H01R 302
Patent
active
040379086
ABSTRACT:
A strip of light-signal unit shells to be formed into single light-signal units including a flat sheet of conductive material having openings which form continuous longitudinal conductors along two opposite edges of the sheet, continuous transverse conductors extending from one longitudinal conductor to the other and a pair of discontinuous conductors extending from opposite continuous longitudinal conductors adjacent each of the continuous transverse conductors, and insulating shells each provided with a recess, each shell encapsulating a portion of one continuous transverse conductor and an adjacent pair of discontinuous conductors, the pair of discontinuous conductors extending into the recess.
REFERENCES:
patent: 3484533 (1969-12-01), Kauffman
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